30121151 has 2 divisors, whose sum is σ = 30121152. Its totient is φ = 30121150.

The previous prime is 30121097. The next prime is 30121163. The reversal of 30121151 is 15112103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30121151 - 2⁶ = 30121087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30121051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060575 + 15060576.

It is an arithmetic number, because the mean of its divisors is an integer number (15060576).

Almost surely, 2^30121151 is an apocalyptic number.

30121151 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121151 is an equidigital number, since it uses as much as digits as its factorization.

30121151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 30121151 is about 5488.2739545325. The cubic root of 30121151 is about 311.1409602833.

Adding to 30121151 its reverse (15112103), we get a palindrome (45233254).

The spelling of 30121151 in words is "thirty million, one hundred twenty-one thousand, one hundred fifty-one".